ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Fitbit Charge 3 vs. HTC re Grip

 
ZenWatch 2
ZenWatch 3
645 Music
Charge 3
re Grip
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$229$450$150$199
Release20162017201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours7 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320400 x 400240 x 24066 x 18160 x 32
Size1.63 inches or 1.45 inch1.39 inches1.2 inches.721 inches1.8 inches
Touch
TypeAMOLEDAMOLEDMIPOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2NANA
Apps
Music

All Wearables